Patents by Inventor Wing Sang Cheung

Wing Sang Cheung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6532197
    Abstract: A disc storage system includes an automated disc storage unit capable of storing a large number of discs in respective individual slots. A disc player, which is incorporated in a personal computer housing, is connected via a hard-wire connection to the unit. A keyboard and a screen of the personal computer are used to control the unit and to display information corresponding to status of the unit. The computer is programmed to control the unit to eject selected discs under instructions of a user and to manage the retrieval and storage of the discs at all times. A very large number of discs can be stored and retrieved automatically and up-to-date records kept, and displayed if required, for convenient use as required.
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: March 11, 2003
    Inventor: Wing Sang Cheung